Eucalyptus works as an expectorant — it helps cleanse the body of toxins and harmful microorganisms. It also opens the nasal airways and eliminates sinus pressure that can lead to a nasty headache, all while promoting emotional balance and boosting mood.
A clinical trial published in Evidence-Based Complementary and Alternative Medicine states that inhaling eucalyptus oil can decrease a person’s pain and blood pressure. The study involved 52 patients who recently underwent total knee replacement surgery. Eucalyptus oil treatment promoted emotional stability in the patients, reduced edema formation and had anti-inflammatory effects. These pain-reducing and relaxing effects can be beneficial to people suffering from tension headaches. (5)
A 2011 study conducted in Israel evaluated the efficacy of eucalyptus oil when used on patients with respiratory conditions that can lead to cough, sore throat and tension headaches. Patients reported that eucalyptus oil improved breathing and reduced runny nose.
Researchers reported that the oil showed anti-inflammatory effects when used to treat respiratory conditions. It exhibited antibacterial, antiviral and antimicrobial properties that alleviate sinus pressure caused by an inflammatory response. (6)
Dilute two to four drops of eucalyptus oil with a carrier oil, and apply it topically to the chest, back of the neck, temples and forehead. This eliminates nasal buildup and clears your airways — alleviating the sinus tension that leads to a headache or migraine attack.